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Journal of Geoscience and Environment Protection 2019年第5期7卷 116-130页

作者： Nguyen Hoang Son Dao Dinh Cham phan anh hang Nguyen Trong Quan Nguyen Thanh Hoan University of Education Hue University Hue Vietnam Institute of Geography Vietnam Academy of Science and Technology Hanoi Vietnam Graduate University of Science and Technology Vietnam Academy of Science and Technology Hanoi Vietnam University of Science Hue University Hue Vietnam

Using Geography Information System (GIS) tools and remote sensing data in assessing the level of vulnerability of agricultural production activities in the coastal area has become more efficient in the recent years. This research has identified the sensitivity index (S) (including the traffic access index;the impact of residential areas;the impacts of industrial zones;the community dependence level), exposure index (E) (the sea level rises to 2100;the temperature change to 2100), the adaptable capacity index (AC) (slope;morphology), thereby synthesizing the vulnerability index (V). Based on the indexes to calculate vulnerability, the high to very high vulnerability area is 37,081.44 ha, accounting for 68.09%;the average vulnerability level is 15,286.49 ha, accounting for 28.07%;the low to very low vulnerability level with an area is 2087.82 ha, accounting for 3.84% of the total area. With a high and very high vulnerability accounting for 68.09%, there will be great influences on the lives of resident in the area, especially agricultural production.

关键词： Vulnerability Indexes GIS Tools Agricultural Production Activity Coastal Areas

Quantifying the impacts of the COVID-19 pandemic lockdown and the armed conflict with Russia on Sentinel 5P TROPOMI NO_(2)changes in Ukraine

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Big Earth Data 2024年第1期8卷 58-81页

作者： anh phan Hiromichi Fukui Graduate School of Engineering Chubu UniversityKasugaiJapan Chubu Institute for Advanced Studies and International Digital Earth Applied Science Research Center(IDEAS) Chubu UniversityKasugaiJapan

This study investigated variations in nitrogen dioxide(NO_(2))levels in Ukraine during two significant periods:the COVID-19 pandemic lockdown in 2020 and the armed conflict with Russia in *** and reprocessed Sentinel 5P data products were utilized for the analysis.A machine learning model was employed to generate a business-as-usual NO_(2)time series that accounted for meteorological *** the nine most populous cities in Ukraine,during the lockdown in 2020 we observed a moderation of increases in NO_(2)levels during the lockdown compared to the pre-lockdown *** at the same months during the conflict period in 2022,we identified much more significant reductions in NO_(2)level in these cities,averaging 12.1%for original and 18.1%for reprocessed *** our examination of major urban areas,we observed reductions in NO_(2)levels in areas surrounding coal power plants damaged or destroyed by the *** the major urban areas in Ukraine,we conclude that changes in daily anthropogenic activities due to the conflict-related events had more substantial impacts on NO_(2)levels than did COVID-19 lockdown.

关键词： NO_(2) COVID-19 Russia-Ukraine armed conflict weather-normalization

Shifting the Focus to East and Southeast Asia:A Critical Review of Regional Game Research

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Fudan Journal of the Humanities and Social Sciences 2021年第2期14卷 173-196页

作者： phan Quang anh Department of Social Anthropology and Cultural Studies(ISEK) University of Zurich(UZH)Andreastrasse 158050 ZurichSwitzerland

This paper examines the prominence of East and Southeast Asia as a focus of communications and game *** idea of going regional when researching video games comes from the fact that each locale has its trait to construct its gaming industry and gaming environment from which the gaming experience is also reflected *** reasons provided,ranging from the regional market^dynamic nature to the attention that the governing states have paid to the gaming industry,help place Asia-Pacific in general and East and Southeast Asia particularly in the global gaming juxtaposition where the other part is usually the Western *** that help highlight the rising prominence of the regions as the most potential areas are also *** review’s findings indicate that East and Southeast Asia have gradually built up their reputation by actively joining the designing,processing,and distributing digital products ***,the focus of future research on the regions should be more concerned with video gaming.

关键词： Creative industries East asia game research Game culture Media governance southeast asia

Digital Earth:A platform for the SDGs and green transformation at the global and local level,employing essential SDGs variables

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Big Earth Data 2021年第4期5卷 476-496页

作者： Hiromichi Fukui Duc Chuc Man anh phan Chubu Institute for Advanced Studies and International Digital Earth Applied Science Research Center(IDEAS) Chubu UniversityKasugaiJapan Graduate School of Engineering Chubu UniversityKasugaiJapan

The 17 Sustainable Development Goals present clear directions toward the green transformation being sought by the global *** SDGs are an integrated framework,with a complex network of interlinkages between the goals,targets and indicators,and they pose wicked problems to ***,measur-ing progress and achievements with the SDGs requires the integra-tion of various spatio-temporal datasets from different domains and the synthesis of disciplines to describe a system of *** Group on Earth Observations has developed the concept of Essential Variables to describe systems across Societal Benefit Areas that are applicable for this *** Earth is a virtual representation of the planet,potentially encompassing all its sys-tems and life forms,including human *** as a multidimensional,multi-scale,multi-temporal,and multi-layer informa-tion facility,Digital Earth is a valuable platform that can contribute to the achievement of the SDGs and a green *** that end,a set of Essential SDGs Variables(ESDGVs)for the platform are proposed and cases of implementation and use are introduced.

关键词： Digital Earth SDGs Earth Observation interoperability Essential Variables

Development Trend of Small Island District in Tropical Monsoon Region (Case Study: Ly Son and Phu Quy Island Districts, Vietnam)

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Journal of Geoscience and Environment Protection 2020年第4期8卷 105-124页

作者： hang anh Nguyen Thi Thanh hang phan FPT Software Hanoi Vietnam Department of Surface Water Resources Institute of Geography Vietnam Academy of Science and Technology Hanoi Vietnam

Ly Son (Quang Ngai province) and Phu Quy (Binh Thuan province) are two island districts in Vietnam that have similar natural characteristics;both are facing the issues of sustainable economic development. This research applied Man-Kendall model to estimate the trend of some socio-economic elements in these two island districts that have been collected during the period of 2002-2018. In general, socio-economic factors showed a tendency to increase recently. Ly Son island district has faster growth rate than that of Phu Quy because Phu Quy is farther from the mainland, more difficult to access and this island district does not own distinct local products. However, with the current development speed, Ly Son is facing several consequences such as insufficient water sources to meet the water demand and security instability due to the increasing number of visitors to the island. This research also proposed that, in order to sustainably develop the two island districts, there should be a specific structure for economic development orientation among sectors based on phased schedule. More importantly, tourism development planning should take capacity into consideration. Fishing practices should pay attention to methods and fishing equipment. Infrastructure investment for environmental protection as well as advocacy program to minimize the use of plastic bags should be done on a regular basis.

关键词： Sustainable Development Small Island Districts and Tropical Monsoon Region

An Efficient Adaptive Hierarchical Sliding Mode Control Strategy Using Neural Networks for 3D Overhead Cranes

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International Journal of Automation and computing 2019年第5期16卷 614-627页

作者： Viet-anh Le Hai-Xuan Le Linh Nguyen Minh-Xuan phan Department of Automatic Control Hanoi University of Science and TechnologyHanoi 10000Vietnam Centre for Autonomous Systems University of Technology SydneyNew South Wales 2007Australia

In this paper, a new adaptive hierarchical sliding mode control scheme for a 3D overhead crane system is proposed. A controller is first designed by the use of a hierarchical structure of two first-order sliding surfaces represented by two actuated and un-actuated subsystems in the bridge crane. Parameters of the controller are then intelligently estimated, where uncertain parameters due to disturbances in the 3D overhead crane dynamic model are proposed to be represented by radial basis function networks whose weights are derived from a Lyapunov function. The proposed approach allows the crane system to be robust under uncertainty conditions in which some uncertain and unknown parameters are highly difficult to determine. Moreover, stability of the sliding surfaces is proved to be guaranteed. Effectiveness of the proposed approach is then demonstrated by implementing the algorithm in both synthetic and reallife systems, where the results obtained by our method are highly promising.

关键词： 3D overhead crane adaptive control hierarchical sliding mode control neural network radial basis function

An Estimation Carbon Emission Reduction and Potential Finance Support of Wind Energy Plants under the Clean Development Mechanism(CDM)in Vietnam

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An Estimation Carbon Emission Reduction and Potential Financ...

作者： phan anh Dung 中国石油大学(北京)

学位级别：硕士

The dissertation provides a comprehensive assessment of the potential carbon emission reduction and financial support that wind energy plants could receive under the Clean Development Mechanism（CDM）in *** research commences with a thorough review of the current state of wind energy development in Vietnam,examining the existing regulatory and policy framework governing the ***,the study evaluates the overall adoption of the CDM in Vietnam,with a specific focus on its implementation within the wind energy sector,providing an overview of the progress made thus *** establish a foundation for analysis,the research utilizes the consolidated baseline methodology to determine the current emission factor 0.8641 t CO/MWh in *** result is considered as foundation to assess the abatement of CO reduction and revenue generated through trading carbon credits in Bac Lieu wind energy plant that is a representative case study conducted under the *** Bac Lieu wind energy plant case study serves as a notable example of successful emission reduction,profit generation from carbon credit sales,and positive internal rate of return（IRR）with CDM *** analysis of this case study from 2013 to 2022demonstrates a reduction of 1,388,339.7 tons of CO2 emissions and a profit of 1053 billion VND from trading carbon credits,which significantly contributes to the project's *** inclusion of income from the CDM ensures a positive IRR（0.59%）over a 10-year operation period,whereas the absence of carbon credit sales would have resulted in a negative *** findings demonstrate that integrating the CDM into wind energy projects not only facilitates the achievement of low-carbon emission targets but also offers substantial assistance that contribute to the financial viability of these *** Bac Lieu wind energy plant stands as a successful example of a wind power project developed under the CDM in Vietnam and could serve as a model for future wind

关键词： Wind Power Clean Development Mechanism(CDM) Carbon Trading

Applying the Distributed Hydrological Model for Tropical Monsoon Basins by Using Earth Observation Data (Case Studies: Kone and Ba River Basins)

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Journal of Geoscience and Environment Protection 2019年第1期7卷 23-37页

作者： phan Thi Thanh hang Department of Surface Water Resources Institute of Geography Vietnam Academy of Science and Technology Hanoi Vietnam

Due to the limitation of data sources, the application of Distributed Hydrological Models (DHMs) using earth observation data to research water resources is necessary. In this study, the BTOPMC (Block-wise use of TOPMODEL) model was applied for 2 basins in the tropical monsoon region. This is the first time that the land cover map of the CCI (Climate Change Initiative Land Cover Team) was prepared for input data instead of IGBP (International Geosphere-Biosphere Programme) land cover map as proposed in the demo version of the BTOPMC model. The calibration and validation results showed that the Nash-Sutcliffe coefficients for daily stream discharge were 77.5% and 68.7% at Cung Son station (Ba basin). The Nash-Sutcliffe coefficients for daily stream discharge were 79.4% and 69.0% at Binh Tuong station (Kone basin), respectively. Because of a stop in measuring the discharge at Binh Tuong station in 2007, this model was applied to simulate discharge during the period of 2008-2015. Furthermore, the effect of land cover on discharge at Cung Son station was considered. The annual discharge in 2010 at Cung Son decreased 8 m3/s in the comparison between two scenarios (land cover of 2000 and 2010). According to this result, it is possible to propose a wide application range of the DHMs model to the tropical monsoon river basins using earth observation data.

关键词： Distributed Hydrological Model Tropical Monsoon Discharge Land Cover Earth Observation Data

Twin reversed arterial perfusion sequence-a rare and dangerous complication form of monochorionic twins:A case report

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World Journal of Clinical Cases 2022年第28期10卷 10214-10219页

作者： Nguyen Duy anh Nguyen-Thi Thu Ha Nguyen-Thi Sim Nguyen Khac Toan phan-Thi Huyen Thuong Nguyen Minh Duc Fetal Medicine Center Hanoi Obstetrics and Gynecology HospitalHanoi 100000Vietnam Department of Assisted Reproduction Hanoi Obstetrics and Gynecology HospitalHanoi 100000Vietnam Department of Obstetrics and Gynecology Hanoi University of Medicine and PharmacyHanoi 100000Vietnam Department of Radiology Pham Ngoc Thach University of MedicineHo Chi Minh City 700000Vietnam

BACKGROUND Twin reversed arterial perfusion(TRAP) sequence is an extremely rare congenital anomaly in monochorionic(MC) *** condition is characterized by a malformed fetus(acardiac twin) without cardiac activities being perfused by a structurally normal one(pump twin) via an artery-to-artery anastomosis in a reverse *** SUMMARY We described the first case of TRAP to receive laser surgery in *** 26-wk pregnancy was originally misdiagnosed in another hospital as MC twins with single intrauterine fetal *** admission to our center,the diagnosis was amended to a 26-wk TRAP sequence stage *** acardiac twin was 7.5 cm at the longest length,the ratio of the weight of the acardiac twin to the weight of the pump twin was more than 90%,the pump twin showed fetal distress with absent diastolic flow in umbilical artery of pump twin,and the peak systolic velocity in the middle cerebral artery = 1.6 Mo *** performed emergency laser photocoagulation of the acardiac twin’s umbilical *** surgery,we successfully maintained the pregnancy for 8 wk and ended it electively by cesarean section at 34 wk of gestation due to rupture of *** TRAP should be appropriately diagnosed and treated early to avoid complications of the pump *** laser photocoagulation is a new and effective treatment for this condition.

关键词： Twin reversed arterial perfusion Acardiac twin Pump twin Laser Case report

Synthesis of cation exchange resin-supported iron and magnesium oxides/hydroxides composite for nitrate removal in water

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Chinese Journal of Chemical Engineering 2021年第4期34卷 378-384页

作者： Trung Thanh Nguyen Vu anh Khoa Tran Le Ba Tran Phuoc Toan phan Minh Tan Nguyen Long Giang Bach Surapol Padungthon Cong Khiem Ta Nhat Huy Nguyen Nanomaterial Laboratory An Giang University18 Ung Van Khiem St.Dong Xuyen DistLong Xuyen CityAn Giang ProvinceViet Nam Vietnam National University Ho Chi Minh City Linh Trung WardThu Duc DistrictHo Chi Minh CityViet Nam Faculty of Natural Resources and Environment Ho Chi Minh City University of Technology(HCMUT)268 Ly Thuong Kiet St.Dist.10Ho Chi Minh CityViet Nam Faculty of Engineering-Technology-Environment An Giang University18 Ung Van Khiem StDong Xuyen DistLong Xuyen CityAn Giang ProvinceViet Nam Department of Scientific Research and International Relation Bac Lieu University178 Vo Thi Sau St.Ward 8Bac Lieu CityBac Lieu ProvinceViet Nam NTT Institute of High Technology Nguyen Tat Thanh University298-300A Nguyen Tat ThanhHo Chi Minh CityViet Nam Department of Environmental Engineering Khon Kaen University123 Moo 16 Mittraphap Rd.Nai-MuangMuang DistrictKhon Kaen 40002Thailand

In this study,we reported on the concept and practical use of cation exchange resin(CER)for removing anions in water via pretreating the CER with metal *** cation exchange resinsupported iron and magnesium oxides/hydroxides composite(FeMg/CER)was synthesized and introduced as a new and potential adsorbent for selective removal of nitrate ion in the water *** of FeMg/CER were determined by techniques such as Fouriertransform infrared spectroscopy,scanning electron microscopy,and Xray *** results showed that FeMg/CER material had a high nitrate adsorption capacity of 200 mg NO_(3)^()·g^(1)with a fast equilibrium adsorption time of 30 min at pH *** addition,it had good durability of at least 10 times of regeneration,which could be applied to practical water and wastewater treatment.

关键词： Iron oxide/hydroxide Magnesium oxide/hydroxide Cation exchange resin Adsorption Environment Nanomaterials